1 — Mouth / rim
Fire-polished and tooled — no sharp edges, no micro-cracks for stress to start from.
VTN-220
Kjeldahl Flask
Long-neck digestion flask for nitrogen analysis.
Pear-shaped digestion flasks with elongated neck to act as an air condenser during acid digestion. Blown from extra-heavy tubing to survive years of fume-hood duty.
Material
Borosilicate glass 3.3 (ASTM E438 Type I, Class A)
Complies with
DIN 12360ASTM E147 (pattern)
Ordering information 4 variants
| Cat. no. | Capacity / size | Pack |
|---|---|---|
| VTN-220-100 | 100 mL | 6 |
| VTN-220-250 | 250 mL | 6 |
| VTN-220-500 | 500 mL | 4 |
| VTN-220-800 | 800 mL | 2 |
Why this one
- Extra heavy wall
- Fits standard digestion racks
- Plain or NS 24/29 neck
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